Davey, P., 2009: A generally distributed species in Britain, the larva feeding on oak (Quercus spp.). In Dorset, the moth is locally common, being found most often in old oak woods. The peak of the second brood is, on average, nearly three times larger than that of the first brood. There is a high incidence of colour variation within the second brood, with a tendency for the terminal area of the forewing to be suffused with grey; this may be related to the higher temperatures experienced by the... Read More

Recorded in 39 (98%) of 40 10k Squares. First Recorded in 1934. Last Recorded in 2023. (Data up to end 2023) Additional Stats

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